202351442 has 12 divisors (see below), whose sum is σ = 322432890. Its totient is φ = 95223936.

The previous prime is 202351433. The next prime is 202351453. The reversal of 202351442 is 244153202.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 200477281 + 1874161 = 14159^2 + 1369^2 .

It is a super-2 number, since 2×202351442² = 81892212158958728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174467 + ... + 175622.

Almost surely, 2^202351442 is an apocalyptic number.

202351442 is a deficient number, since it is larger than the sum of its proper divisors (120081448).

202351442 is a wasteful number, since it uses less digits than its factorization.

202351442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350125 (or 350108 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 202351442 is about 14225.0287170185. The cubic root of 202351442 is about 587.0865098332.

The spelling of 202351442 in words is "two hundred two million, three hundred fifty-one thousand, four hundred forty-two".